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Question

P: Colored "pixel" artifacts/subdued blacks in shadow areas (older Macs) (also visible on CR)

Forum|Forum|2 years ago
June 14, 2023
173 replies
111536 views

I updated LrC to 12.4 yesyerday. Since then a number of pixels in multiple colors appear appear quite often on the image, mostly in the areas of blacks/darks and when using Tone Curve commands. It's similar to the red/blue pixels which denoted clipping in the areas of blacks/whites, but they appear in very many different other colors. Sometimes they disappear, or decrease, after actioning the commands again, sometimes they do not. Is anybody else facing the same problem which I encounter now for the vey first time after many years of use of LrC? Thank you in advance for your advise.

macOS

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yuliai18398645

Participant

Hello. Perhaps someone can help me, because after contacting support twice, no one solved this problem and I am disappointed in the Lightroom support service. Multicolors appear in the shadows during processing and there is no way to turn them off. But the worst thing is that Lightroom exports it to JPG with the same effect. You have to exit the program and log in again.

my system is MAC Monterey 12.6.7
I uninstalled and reinstalled the program, reset the settings and deleted the com.adobe.LightroomClassicCC7.plist file.

everything continues as before.

KR Seals

Community Expert

Have you tried ti disable the GPU in preferences?

Take a look at this thread dealing with a similar issue.

Ken Seals - Nikon Z 9, Z 8, 14mm-800mm. Computer Win 11 Pro, I7-14700K, 64GB, RTX3070TI. Travel machine: 2021 MacBook Pro M1 MAX 64GB. All Adobe apps.

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Robin33383504l30q

Participant

Going to an older version now.

nealedel

Known Participant

And why hasn't adobe fixed yet for the money we pay?

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helennium

Known Participant

I have found that when the bright pixels appear in Develop view, they disappear when I switch to Library view, so maybe try only exporting from Library.

As for your observation that this colored pixel problem sometimes starts and then stops, one time I noticed it stopped when I switched the Clarity to zero and didn't return for the rest of the session, even when I had the Clarity set to a positive number. But another time that strategy didn't work.

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Robin33383504l30q

Participant

Hi, is there any news? I have a lot of client work and by having these issues i cannot provide exports now. I use a late 2015 Imac

3,2 GHz Quad-Core Intel Core i3 AMD Radeon R9 M390 2 GB. The export contains also the color artifacts. What is the work around until the problem is solved? Back to an older version of LR en which is this and how do I do that? Thanks!

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uglytiger

Participant

This never happen before but this pass few days after export and this what pictures look like, can someone help me.

[moved from bugs to discussions according to the community rules - Mod.]

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dj_paige

Legend

My web browser will not display your file attachment. Please use the "Insert Photos" icon to include your screen capture, so I can see what you are trying to show.

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wideshot photography

Participating Frequently

Return to Lightroom 12

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samantha33350636sav5

Participant

how do I fix this? It is not a over lay.

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Giulia33339551hee0

Participant

yeah, it's actually all the same problem as I see now.

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Giulia33339551hee0

Participant

Hallo, vielleicht hatte jemand schon mal dieses Problem und kann mir weiter helfen. Auf meinem Arbeitsrechner habe ich neuerdings ein Problem bei der Darstellung in Lightroom Classic. Und zwar werden unterbelichtete Stellen seltsam farbig, pixelig dargestellt. Das Histogramm ist allerdings aus. Auch nach Export der Bilder besteht das Problem weiterhin und ist dann auch auf anderen Rechnern sichtbar. Ich habe keine Ahnung, was das Problem sein könnte. Ich habe Lightroom Classic, bereits deinstalliert und neu Installiert, Updates gemacht, etc.

Per Berntsen

Community Expert

Hello, maybe someone has had this problem before and can help me further. On my work computer, I recently have a problem with the display in Lightroom Classic. Namely, underexposed areas are strangely colored, pixelated. However, the histogram is off. Even after exporting the images, the problem persists and is then also visible on other computers. I have no idea what the problem could be. I have Lightroom Classic, already uninstalled and reinstalled, made updates, etc

By @Giulia33339551hee0